When Bills defensive Mario Williams proposed to his fiancee, he sealed the deal with a $785,000 ring.

Now that the engagement has been scuttled, Williams wants the ring back from Erin Marzouki. She refuses to surrender it, so Williams has sued.

According to KTRK-TV, Williams filed suit Friday for recovery of the ring, which includes a 10-carat diamond. Williams reportedly alleges that Erin Marzouki "never intended to marry plaintiff and used the relationship as a means to get to plaintiff's money and acquire gifts."

She ended up with quite an expensive gift, but it came with a promise to marry Williams. Regardless of how the law sorts this one out, she should give back the ring.